:   '''::[platform]::patterns''' ''id''
This command takes a platform identifier (such as is produced by [platform::identify] or [platform::generic]) and returns a list of platform identification tokens that could be checked when searching for code relevant to the platform.

For example, on OSX Leopard you can get this:
======
% platform::patterns [platform::generic]
macosx-ix86 macosx-universal macosx-i386-x86_64 tcl
% platform::patterns [platform::identify]
macosx10.5-ix86 macosx10.5-universal macosx10.5-i386-x86_64 macosx-ix86 macosx-universal macosx-i386-x86_64 tcl
======

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